bsc: Check for the rand and then generate a res
Check if the NAT has sent 16 bytes of RAND and if a key
has been configured in the system and then generate a
result using milenage. The milenage res will be sent and
noth the four byte GSM SRES derivation.
diff --git a/openbsc/src/libbsc/bsc_msc.c b/openbsc/src/libbsc/bsc_msc.c
index fc4530c..829ee2b 100644
--- a/openbsc/src/libbsc/bsc_msc.c
+++ b/openbsc/src/libbsc/bsc_msc.c
@@ -276,7 +276,7 @@
osmo_timer_schedule(&con->reconnect_timer, 5, 0);
}
-struct msgb *bsc_msc_id_get_resp(int fixed, const char *token)
+struct msgb *bsc_msc_id_get_resp(int fixed, const char *token, const uint8_t *res, int len)
{
struct msgb *msg;
@@ -302,6 +302,11 @@
msgb_put_u8(msg, 0);
msgb_put_u8(msg, strlen(token) + 2);
msgb_tv_fixed_put(msg, IPAC_IDTAG_UNITNAME, strlen(token) + 1, (uint8_t *) token);
+ if (len > 0) {
+ msgb_put_u8(msg, 0);
+ msgb_put_u8(msg, len + 1);
+ msgb_tv_fixed_put(msg, 0x24, len, res);
+ }
} else {
msgb_l16tv_put(msg, strlen(token) + 1,
IPAC_IDTAG_UNITNAME, (uint8_t *) token);